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Commit | Line | Data |
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769ce76d AG |
1 | /* |
2 | * QEMU Block driver for CURL images | |
3 | * | |
4 | * Copyright (c) 2009 Alexander Graf <agraf@suse.de> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
452fcdbc | 24 | |
80c71a24 | 25 | #include "qemu/osdep.h" |
da34e65c | 26 | #include "qapi/error.h" |
796a060b | 27 | #include "qemu/error-report.h" |
0b8fa32f | 28 | #include "qemu/module.h" |
922a01a0 | 29 | #include "qemu/option.h" |
737e150e | 30 | #include "block/block_int.h" |
452fcdbc | 31 | #include "qapi/qmp/qdict.h" |
d49b6836 | 32 | #include "qapi/qmp/qstring.h" |
1bff9606 | 33 | #include "crypto/secret.h" |
769ce76d | 34 | #include <curl/curl.h> |
f348b6d1 | 35 | #include "qemu/cutils.h" |
ed2a66de | 36 | #include "trace.h" |
769ce76d | 37 | |
769ce76d AG |
38 | // #define DEBUG_VERBOSE |
39 | ||
031fd1be PM |
40 | #if LIBCURL_VERSION_NUM >= 0x071000 |
41 | /* The multi interface timer callback was introduced in 7.16.0 */ | |
42 | #define NEED_CURL_TIMER_CALLBACK | |
9aedd5a5 MB |
43 | #define HAVE_SOCKET_ACTION |
44 | #endif | |
45 | ||
46 | #ifndef HAVE_SOCKET_ACTION | |
47 | /* If curl_multi_socket_action isn't available, define it statically here in | |
48 | * terms of curl_multi_socket. Note that ev_bitmask will be ignored, which is | |
49 | * less efficient but still safe. */ | |
50 | static CURLMcode __curl_multi_socket_action(CURLM *multi_handle, | |
51 | curl_socket_t sockfd, | |
52 | int ev_bitmask, | |
53 | int *running_handles) | |
54 | { | |
55 | return curl_multi_socket(multi_handle, sockfd, running_handles); | |
56 | } | |
57 | #define curl_multi_socket_action __curl_multi_socket_action | |
031fd1be PM |
58 | #endif |
59 | ||
fb6d1bbd | 60 | #define PROTOCOLS (CURLPROTO_HTTP | CURLPROTO_HTTPS | \ |
23dce387 | 61 | CURLPROTO_FTP | CURLPROTO_FTPS) |
fb6d1bbd | 62 | |
769ce76d AG |
63 | #define CURL_NUM_STATES 8 |
64 | #define CURL_NUM_ACB 8 | |
f76faeda | 65 | #define CURL_TIMEOUT_MAX 10000 |
769ce76d | 66 | |
e3542c67 MB |
67 | #define CURL_BLOCK_OPT_URL "url" |
68 | #define CURL_BLOCK_OPT_READAHEAD "readahead" | |
97a3ea57 | 69 | #define CURL_BLOCK_OPT_SSLVERIFY "sslverify" |
212aefaa | 70 | #define CURL_BLOCK_OPT_TIMEOUT "timeout" |
a94f83d9 | 71 | #define CURL_BLOCK_OPT_COOKIE "cookie" |
327c8ebd | 72 | #define CURL_BLOCK_OPT_COOKIE_SECRET "cookie-secret" |
1bff9606 DB |
73 | #define CURL_BLOCK_OPT_USERNAME "username" |
74 | #define CURL_BLOCK_OPT_PASSWORD_SECRET "password-secret" | |
75 | #define CURL_BLOCK_OPT_PROXY_USERNAME "proxy-username" | |
76 | #define CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET "proxy-password-secret" | |
e3542c67 | 77 | |
712b64e8 HR |
78 | #define CURL_BLOCK_OPT_READAHEAD_DEFAULT (256 * 1024) |
79 | #define CURL_BLOCK_OPT_SSLVERIFY_DEFAULT true | |
80 | #define CURL_BLOCK_OPT_TIMEOUT_DEFAULT 5 | |
81 | ||
769ce76d | 82 | struct BDRVCURLState; |
04878616 | 83 | struct CURLState; |
769ce76d | 84 | |
2d25964d JC |
85 | static bool libcurl_initialized; |
86 | ||
769ce76d | 87 | typedef struct CURLAIOCB { |
28256d82 | 88 | Coroutine *co; |
769ce76d | 89 | QEMUIOVector *qiov; |
363c3c85 | 90 | |
2125e5ea PB |
91 | uint64_t offset; |
92 | uint64_t bytes; | |
28256d82 | 93 | int ret; |
363c3c85 | 94 | |
769ce76d AG |
95 | size_t start; |
96 | size_t end; | |
97 | } CURLAIOCB; | |
98 | ||
ff5ca166 HR |
99 | typedef struct CURLSocket { |
100 | int fd; | |
04878616 | 101 | struct CURLState *state; |
ff5ca166 HR |
102 | QLIST_ENTRY(CURLSocket) next; |
103 | } CURLSocket; | |
104 | ||
769ce76d AG |
105 | typedef struct CURLState |
106 | { | |
107 | struct BDRVCURLState *s; | |
108 | CURLAIOCB *acb[CURL_NUM_ACB]; | |
109 | CURL *curl; | |
ff5ca166 | 110 | QLIST_HEAD(, CURLSocket) sockets; |
769ce76d | 111 | char *orig_buf; |
2125e5ea | 112 | uint64_t buf_start; |
769ce76d AG |
113 | size_t buf_off; |
114 | size_t buf_len; | |
115 | char range[128]; | |
116 | char errmsg[CURL_ERROR_SIZE]; | |
117 | char in_use; | |
118 | } CURLState; | |
119 | ||
120 | typedef struct BDRVCURLState { | |
121 | CURLM *multi; | |
031fd1be | 122 | QEMUTimer timer; |
2125e5ea | 123 | uint64_t len; |
769ce76d AG |
124 | CURLState states[CURL_NUM_STATES]; |
125 | char *url; | |
c76f4952 | 126 | size_t readahead_size; |
97a3ea57 | 127 | bool sslverify; |
f76faeda | 128 | uint64_t timeout; |
a94f83d9 | 129 | char *cookie; |
3494d650 | 130 | bool accept_range; |
63f0f45f | 131 | AioContext *aio_context; |
ba3186c4 | 132 | QemuMutex mutex; |
709f2132 | 133 | CoQueue free_state_waitq; |
1bff9606 DB |
134 | char *username; |
135 | char *password; | |
136 | char *proxyusername; | |
137 | char *proxypassword; | |
769ce76d AG |
138 | } BDRVCURLState; |
139 | ||
140 | static void curl_clean_state(CURLState *s); | |
141 | static void curl_multi_do(void *arg); | |
838ef602 | 142 | static void curl_multi_read(void *arg); |
769ce76d | 143 | |
031fd1be | 144 | #ifdef NEED_CURL_TIMER_CALLBACK |
34db05e7 | 145 | /* Called from curl_multi_do_locked, with s->mutex held. */ |
031fd1be PM |
146 | static int curl_timer_cb(CURLM *multi, long timeout_ms, void *opaque) |
147 | { | |
148 | BDRVCURLState *s = opaque; | |
149 | ||
ed2a66de | 150 | trace_curl_timer_cb(timeout_ms); |
031fd1be PM |
151 | if (timeout_ms == -1) { |
152 | timer_del(&s->timer); | |
153 | } else { | |
154 | int64_t timeout_ns = (int64_t)timeout_ms * 1000 * 1000; | |
155 | timer_mod(&s->timer, | |
156 | qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + timeout_ns); | |
157 | } | |
158 | return 0; | |
159 | } | |
160 | #endif | |
161 | ||
34db05e7 | 162 | /* Called from curl_multi_do_locked, with s->mutex held. */ |
769ce76d | 163 | static int curl_sock_cb(CURL *curl, curl_socket_t fd, int action, |
63f0f45f | 164 | void *userp, void *sp) |
769ce76d | 165 | { |
63f0f45f | 166 | BDRVCURLState *s; |
838ef602 | 167 | CURLState *state = NULL; |
ff5ca166 HR |
168 | CURLSocket *socket; |
169 | ||
838ef602 | 170 | curl_easy_getinfo(curl, CURLINFO_PRIVATE, (char **)&state); |
63f0f45f | 171 | s = state->s; |
838ef602 | 172 | |
ff5ca166 HR |
173 | QLIST_FOREACH(socket, &state->sockets, next) { |
174 | if (socket->fd == fd) { | |
175 | if (action == CURL_POLL_REMOVE) { | |
176 | QLIST_REMOVE(socket, next); | |
177 | g_free(socket); | |
178 | } | |
179 | break; | |
180 | } | |
181 | } | |
182 | if (!socket) { | |
183 | socket = g_new0(CURLSocket, 1); | |
184 | socket->fd = fd; | |
04878616 | 185 | socket->state = state; |
ff5ca166 HR |
186 | QLIST_INSERT_HEAD(&state->sockets, socket, next); |
187 | } | |
188 | socket = NULL; | |
189 | ||
ed2a66de | 190 | trace_curl_sock_cb(action, (int)fd); |
769ce76d AG |
191 | switch (action) { |
192 | case CURL_POLL_IN: | |
dca21ef2 | 193 | aio_set_fd_handler(s->aio_context, fd, false, |
f6a51c84 | 194 | curl_multi_read, NULL, NULL, state); |
769ce76d AG |
195 | break; |
196 | case CURL_POLL_OUT: | |
dca21ef2 | 197 | aio_set_fd_handler(s->aio_context, fd, false, |
f6a51c84 | 198 | NULL, curl_multi_do, NULL, state); |
769ce76d AG |
199 | break; |
200 | case CURL_POLL_INOUT: | |
dca21ef2 | 201 | aio_set_fd_handler(s->aio_context, fd, false, |
f6a51c84 | 202 | curl_multi_read, curl_multi_do, NULL, state); |
769ce76d AG |
203 | break; |
204 | case CURL_POLL_REMOVE: | |
dca21ef2 | 205 | aio_set_fd_handler(s->aio_context, fd, false, |
f6a51c84 | 206 | NULL, NULL, NULL, NULL); |
769ce76d AG |
207 | break; |
208 | } | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
34db05e7 | 213 | /* Called from curl_multi_do_locked, with s->mutex held. */ |
3494d650 | 214 | static size_t curl_header_cb(void *ptr, size_t size, size_t nmemb, void *opaque) |
769ce76d | 215 | { |
3494d650 | 216 | BDRVCURLState *s = opaque; |
769ce76d | 217 | size_t realsize = size * nmemb; |
3494d650 | 218 | const char *accept_line = "Accept-Ranges: bytes"; |
769ce76d | 219 | |
3494d650 FZ |
220 | if (realsize >= strlen(accept_line) |
221 | && strncmp((char *)ptr, accept_line, strlen(accept_line)) == 0) { | |
222 | s->accept_range = true; | |
0bfcd599 | 223 | } |
769ce76d AG |
224 | |
225 | return realsize; | |
226 | } | |
227 | ||
34db05e7 | 228 | /* Called from curl_multi_do_locked, with s->mutex held. */ |
769ce76d AG |
229 | static size_t curl_read_cb(void *ptr, size_t size, size_t nmemb, void *opaque) |
230 | { | |
231 | CURLState *s = ((CURLState*)opaque); | |
232 | size_t realsize = size * nmemb; | |
233 | int i; | |
234 | ||
ed2a66de | 235 | trace_curl_read_cb(realsize); |
769ce76d | 236 | |
4e767657 HR |
237 | if (!s || !s->orig_buf) { |
238 | goto read_end; | |
239 | } | |
769ce76d | 240 | |
6d4b9e55 FZ |
241 | if (s->buf_off >= s->buf_len) { |
242 | /* buffer full, read nothing */ | |
4e767657 | 243 | goto read_end; |
6d4b9e55 FZ |
244 | } |
245 | realsize = MIN(realsize, s->buf_len - s->buf_off); | |
769ce76d AG |
246 | memcpy(s->orig_buf + s->buf_off, ptr, realsize); |
247 | s->buf_off += realsize; | |
248 | ||
249 | for(i=0; i<CURL_NUM_ACB; i++) { | |
250 | CURLAIOCB *acb = s->acb[i]; | |
251 | ||
252 | if (!acb) | |
253 | continue; | |
254 | ||
255 | if ((s->buf_off >= acb->end)) { | |
2125e5ea | 256 | size_t request_length = acb->bytes; |
4e504535 | 257 | |
03396148 MT |
258 | qemu_iovec_from_buf(acb->qiov, 0, s->orig_buf + acb->start, |
259 | acb->end - acb->start); | |
4e504535 HR |
260 | |
261 | if (acb->end - acb->start < request_length) { | |
262 | size_t offset = acb->end - acb->start; | |
263 | qemu_iovec_memset(acb->qiov, offset, 0, | |
264 | request_length - offset); | |
265 | } | |
266 | ||
28256d82 PB |
267 | acb->ret = 0; |
268 | s->acb[i] = NULL; | |
34db05e7 | 269 | qemu_mutex_unlock(&s->s->mutex); |
28256d82 | 270 | aio_co_wake(acb->co); |
34db05e7 | 271 | qemu_mutex_lock(&s->s->mutex); |
769ce76d AG |
272 | } |
273 | } | |
274 | ||
4e767657 HR |
275 | read_end: |
276 | /* curl will error out if we do not return this value */ | |
277 | return size * nmemb; | |
769ce76d AG |
278 | } |
279 | ||
456af346 | 280 | /* Called with s->mutex held. */ |
28256d82 PB |
281 | static bool curl_find_buf(BDRVCURLState *s, uint64_t start, uint64_t len, |
282 | CURLAIOCB *acb) | |
769ce76d AG |
283 | { |
284 | int i; | |
2125e5ea PB |
285 | uint64_t end = start + len; |
286 | uint64_t clamped_end = MIN(end, s->len); | |
287 | uint64_t clamped_len = clamped_end - start; | |
769ce76d AG |
288 | |
289 | for (i=0; i<CURL_NUM_STATES; i++) { | |
290 | CURLState *state = &s->states[i]; | |
2125e5ea PB |
291 | uint64_t buf_end = (state->buf_start + state->buf_off); |
292 | uint64_t buf_fend = (state->buf_start + state->buf_len); | |
769ce76d AG |
293 | |
294 | if (!state->orig_buf) | |
295 | continue; | |
296 | if (!state->buf_off) | |
297 | continue; | |
298 | ||
299 | // Does the existing buffer cover our section? | |
300 | if ((start >= state->buf_start) && | |
301 | (start <= buf_end) && | |
4e504535 HR |
302 | (clamped_end >= state->buf_start) && |
303 | (clamped_end <= buf_end)) | |
769ce76d AG |
304 | { |
305 | char *buf = state->orig_buf + (start - state->buf_start); | |
306 | ||
4e504535 HR |
307 | qemu_iovec_from_buf(acb->qiov, 0, buf, clamped_len); |
308 | if (clamped_len < len) { | |
309 | qemu_iovec_memset(acb->qiov, clamped_len, 0, len - clamped_len); | |
310 | } | |
28256d82 PB |
311 | acb->ret = 0; |
312 | return true; | |
769ce76d AG |
313 | } |
314 | ||
315 | // Wait for unfinished chunks | |
b7079df4 MB |
316 | if (state->in_use && |
317 | (start >= state->buf_start) && | |
769ce76d | 318 | (start <= buf_fend) && |
4e504535 HR |
319 | (clamped_end >= state->buf_start) && |
320 | (clamped_end <= buf_fend)) | |
769ce76d AG |
321 | { |
322 | int j; | |
323 | ||
324 | acb->start = start - state->buf_start; | |
4e504535 | 325 | acb->end = acb->start + clamped_len; |
769ce76d AG |
326 | |
327 | for (j=0; j<CURL_NUM_ACB; j++) { | |
328 | if (!state->acb[j]) { | |
329 | state->acb[j] = acb; | |
28256d82 | 330 | return true; |
769ce76d AG |
331 | } |
332 | } | |
333 | } | |
334 | } | |
335 | ||
28256d82 | 336 | return false; |
769ce76d AG |
337 | } |
338 | ||
ba3186c4 | 339 | /* Called with s->mutex held. */ |
838ef602 | 340 | static void curl_multi_check_completion(BDRVCURLState *s) |
769ce76d | 341 | { |
769ce76d AG |
342 | int msgs_in_queue; |
343 | ||
769ce76d AG |
344 | /* Try to find done transfers, so we can free the easy |
345 | * handle again. */ | |
1f2cead3 | 346 | for (;;) { |
769ce76d AG |
347 | CURLMsg *msg; |
348 | msg = curl_multi_info_read(s->multi, &msgs_in_queue); | |
349 | ||
1f2cead3 | 350 | /* Quit when there are no more completions */ |
769ce76d AG |
351 | if (!msg) |
352 | break; | |
769ce76d | 353 | |
1f2cead3 MB |
354 | if (msg->msg == CURLMSG_DONE) { |
355 | CURLState *state = NULL; | |
356 | curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, | |
357 | (char **)&state); | |
358 | ||
359 | /* ACBs for successful messages get completed in curl_read_cb */ | |
360 | if (msg->data.result != CURLE_OK) { | |
361 | int i; | |
796a060b RJ |
362 | static int errcount = 100; |
363 | ||
364 | /* Don't lose the original error message from curl, since | |
365 | * it contains extra data. | |
366 | */ | |
367 | if (errcount > 0) { | |
368 | error_report("curl: %s", state->errmsg); | |
369 | if (--errcount == 0) { | |
370 | error_report("curl: further errors suppressed"); | |
371 | } | |
372 | } | |
373 | ||
1f2cead3 MB |
374 | for (i = 0; i < CURL_NUM_ACB; i++) { |
375 | CURLAIOCB *acb = state->acb[i]; | |
376 | ||
377 | if (acb == NULL) { | |
378 | continue; | |
f785a5ae | 379 | } |
f785a5ae | 380 | |
28256d82 PB |
381 | acb->ret = -EIO; |
382 | state->acb[i] = NULL; | |
ba3186c4 | 383 | qemu_mutex_unlock(&s->mutex); |
28256d82 | 384 | aio_co_wake(acb->co); |
ba3186c4 | 385 | qemu_mutex_lock(&s->mutex); |
1f2cead3 | 386 | } |
769ce76d | 387 | } |
1f2cead3 MB |
388 | |
389 | curl_clean_state(state); | |
390 | break; | |
769ce76d | 391 | } |
1f2cead3 | 392 | } |
769ce76d AG |
393 | } |
394 | ||
ba3186c4 | 395 | /* Called with s->mutex held. */ |
9d456654 | 396 | static void curl_multi_do_locked(CURLState *s) |
031fd1be | 397 | { |
ff5ca166 | 398 | CURLSocket *socket, *next_socket; |
031fd1be PM |
399 | int running; |
400 | int r; | |
401 | ||
838ef602 | 402 | if (!s->s->multi) { |
031fd1be PM |
403 | return; |
404 | } | |
405 | ||
ff5ca166 HR |
406 | /* Need to use _SAFE because curl_multi_socket_action() may trigger |
407 | * curl_sock_cb() which might modify this list */ | |
408 | QLIST_FOREACH_SAFE(socket, &s->sockets, next, next_socket) { | |
409 | do { | |
410 | r = curl_multi_socket_action(s->s->multi, socket->fd, 0, &running); | |
411 | } while (r == CURLM_CALL_MULTI_PERFORM); | |
412 | } | |
838ef602 MB |
413 | } |
414 | ||
9d456654 PB |
415 | static void curl_multi_do(void *arg) |
416 | { | |
417 | CURLState *s = (CURLState *)arg; | |
418 | ||
ba3186c4 | 419 | qemu_mutex_lock(&s->s->mutex); |
9d456654 | 420 | curl_multi_do_locked(s); |
ba3186c4 | 421 | qemu_mutex_unlock(&s->s->mutex); |
9d456654 PB |
422 | } |
423 | ||
838ef602 MB |
424 | static void curl_multi_read(void *arg) |
425 | { | |
426 | CURLState *s = (CURLState *)arg; | |
427 | ||
ba3186c4 | 428 | qemu_mutex_lock(&s->s->mutex); |
9d456654 | 429 | curl_multi_do_locked(s); |
838ef602 | 430 | curl_multi_check_completion(s->s); |
ba3186c4 | 431 | qemu_mutex_unlock(&s->s->mutex); |
031fd1be PM |
432 | } |
433 | ||
434 | static void curl_multi_timeout_do(void *arg) | |
435 | { | |
436 | #ifdef NEED_CURL_TIMER_CALLBACK | |
437 | BDRVCURLState *s = (BDRVCURLState *)arg; | |
438 | int running; | |
439 | ||
440 | if (!s->multi) { | |
441 | return; | |
442 | } | |
443 | ||
ba3186c4 | 444 | qemu_mutex_lock(&s->mutex); |
031fd1be PM |
445 | curl_multi_socket_action(s->multi, CURL_SOCKET_TIMEOUT, 0, &running); |
446 | ||
838ef602 | 447 | curl_multi_check_completion(s); |
ba3186c4 | 448 | qemu_mutex_unlock(&s->mutex); |
031fd1be PM |
449 | #else |
450 | abort(); | |
451 | #endif | |
452 | } | |
453 | ||
456af346 | 454 | /* Called with s->mutex held. */ |
3ce6a729 | 455 | static CURLState *curl_find_state(BDRVCURLState *s) |
769ce76d AG |
456 | { |
457 | CURLState *state = NULL; | |
3ce6a729 | 458 | int i; |
769ce76d | 459 | |
3ce6a729 PB |
460 | for (i = 0; i < CURL_NUM_STATES; i++) { |
461 | if (!s->states[i].in_use) { | |
769ce76d AG |
462 | state = &s->states[i]; |
463 | state->in_use = 1; | |
464 | break; | |
465 | } | |
3ce6a729 PB |
466 | } |
467 | return state; | |
468 | } | |
769ce76d | 469 | |
3ce6a729 PB |
470 | static int curl_init_state(BDRVCURLState *s, CURLState *state) |
471 | { | |
9e550b32 MB |
472 | if (!state->curl) { |
473 | state->curl = curl_easy_init(); | |
474 | if (!state->curl) { | |
3ce6a729 | 475 | return -EIO; |
9e550b32 MB |
476 | } |
477 | curl_easy_setopt(state->curl, CURLOPT_URL, s->url); | |
97a3ea57 MB |
478 | curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYPEER, |
479 | (long) s->sslverify); | |
637fa44a RJ |
480 | curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYHOST, |
481 | s->sslverify ? 2L : 0L); | |
a94f83d9 RJ |
482 | if (s->cookie) { |
483 | curl_easy_setopt(state->curl, CURLOPT_COOKIE, s->cookie); | |
484 | } | |
f76faeda | 485 | curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, (long)s->timeout); |
9e550b32 MB |
486 | curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, |
487 | (void *)curl_read_cb); | |
488 | curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state); | |
489 | curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state); | |
490 | curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1); | |
491 | curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1); | |
492 | curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1); | |
493 | curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg); | |
494 | curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1); | |
495 | ||
1bff9606 DB |
496 | if (s->username) { |
497 | curl_easy_setopt(state->curl, CURLOPT_USERNAME, s->username); | |
498 | } | |
499 | if (s->password) { | |
500 | curl_easy_setopt(state->curl, CURLOPT_PASSWORD, s->password); | |
501 | } | |
502 | if (s->proxyusername) { | |
503 | curl_easy_setopt(state->curl, | |
504 | CURLOPT_PROXYUSERNAME, s->proxyusername); | |
505 | } | |
506 | if (s->proxypassword) { | |
507 | curl_easy_setopt(state->curl, | |
508 | CURLOPT_PROXYPASSWORD, s->proxypassword); | |
509 | } | |
510 | ||
9e550b32 MB |
511 | /* Restrict supported protocols to avoid security issues in the more |
512 | * obscure protocols. For example, do not allow POP3/SMTP/IMAP see | |
513 | * CVE-2013-0249. | |
514 | * | |
515 | * Restricting protocols is only supported from 7.19.4 upwards. | |
516 | */ | |
8a8f5840 | 517 | #if LIBCURL_VERSION_NUM >= 0x071304 |
9e550b32 MB |
518 | curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS); |
519 | curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS); | |
8a8f5840 | 520 | #endif |
fb6d1bbd | 521 | |
769ce76d | 522 | #ifdef DEBUG_VERBOSE |
9e550b32 | 523 | curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1); |
769ce76d | 524 | #endif |
9e550b32 | 525 | } |
769ce76d | 526 | |
ff5ca166 | 527 | QLIST_INIT(&state->sockets); |
769ce76d AG |
528 | state->s = s; |
529 | ||
3ce6a729 | 530 | return 0; |
769ce76d AG |
531 | } |
532 | ||
456af346 | 533 | /* Called with s->mutex held. */ |
769ce76d AG |
534 | static void curl_clean_state(CURLState *s) |
535 | { | |
675a7756 PB |
536 | int j; |
537 | for (j = 0; j < CURL_NUM_ACB; j++) { | |
538 | assert(!s->acb[j]); | |
539 | } | |
540 | ||
769ce76d AG |
541 | if (s->s->multi) |
542 | curl_multi_remove_handle(s->s->multi, s->curl); | |
ff5ca166 HR |
543 | |
544 | while (!QLIST_EMPTY(&s->sockets)) { | |
545 | CURLSocket *socket = QLIST_FIRST(&s->sockets); | |
546 | ||
547 | QLIST_REMOVE(socket, next); | |
548 | g_free(socket); | |
549 | } | |
550 | ||
769ce76d | 551 | s->in_use = 0; |
2bb5c936 | 552 | |
709f2132 | 553 | qemu_co_enter_next(&s->s->free_state_waitq, &s->s->mutex); |
769ce76d AG |
554 | } |
555 | ||
8e6d58cd KW |
556 | static void curl_parse_filename(const char *filename, QDict *options, |
557 | Error **errp) | |
769ce76d | 558 | { |
46f5ac20 | 559 | qdict_put_str(options, CURL_BLOCK_OPT_URL, filename); |
8e6d58cd KW |
560 | } |
561 | ||
63f0f45f SH |
562 | static void curl_detach_aio_context(BlockDriverState *bs) |
563 | { | |
564 | BDRVCURLState *s = bs->opaque; | |
565 | int i; | |
566 | ||
456af346 | 567 | qemu_mutex_lock(&s->mutex); |
63f0f45f SH |
568 | for (i = 0; i < CURL_NUM_STATES; i++) { |
569 | if (s->states[i].in_use) { | |
570 | curl_clean_state(&s->states[i]); | |
571 | } | |
572 | if (s->states[i].curl) { | |
573 | curl_easy_cleanup(s->states[i].curl); | |
574 | s->states[i].curl = NULL; | |
575 | } | |
f7047c2d MA |
576 | g_free(s->states[i].orig_buf); |
577 | s->states[i].orig_buf = NULL; | |
63f0f45f SH |
578 | } |
579 | if (s->multi) { | |
580 | curl_multi_cleanup(s->multi); | |
581 | s->multi = NULL; | |
582 | } | |
456af346 | 583 | qemu_mutex_unlock(&s->mutex); |
63f0f45f SH |
584 | |
585 | timer_del(&s->timer); | |
586 | } | |
587 | ||
588 | static void curl_attach_aio_context(BlockDriverState *bs, | |
589 | AioContext *new_context) | |
590 | { | |
591 | BDRVCURLState *s = bs->opaque; | |
592 | ||
593 | aio_timer_init(new_context, &s->timer, | |
594 | QEMU_CLOCK_REALTIME, SCALE_NS, | |
595 | curl_multi_timeout_do, s); | |
596 | ||
597 | assert(!s->multi); | |
598 | s->multi = curl_multi_init(); | |
599 | s->aio_context = new_context; | |
600 | curl_multi_setopt(s->multi, CURLMOPT_SOCKETFUNCTION, curl_sock_cb); | |
601 | #ifdef NEED_CURL_TIMER_CALLBACK | |
602 | curl_multi_setopt(s->multi, CURLMOPT_TIMERDATA, s); | |
603 | curl_multi_setopt(s->multi, CURLMOPT_TIMERFUNCTION, curl_timer_cb); | |
604 | #endif | |
605 | } | |
606 | ||
8e6d58cd KW |
607 | static QemuOptsList runtime_opts = { |
608 | .name = "curl", | |
609 | .head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head), | |
610 | .desc = { | |
611 | { | |
e3542c67 | 612 | .name = CURL_BLOCK_OPT_URL, |
8e6d58cd KW |
613 | .type = QEMU_OPT_STRING, |
614 | .help = "URL to open", | |
615 | }, | |
616 | { | |
e3542c67 | 617 | .name = CURL_BLOCK_OPT_READAHEAD, |
8e6d58cd KW |
618 | .type = QEMU_OPT_SIZE, |
619 | .help = "Readahead size", | |
620 | }, | |
97a3ea57 MB |
621 | { |
622 | .name = CURL_BLOCK_OPT_SSLVERIFY, | |
623 | .type = QEMU_OPT_BOOL, | |
624 | .help = "Verify SSL certificate" | |
625 | }, | |
212aefaa DHB |
626 | { |
627 | .name = CURL_BLOCK_OPT_TIMEOUT, | |
628 | .type = QEMU_OPT_NUMBER, | |
629 | .help = "Curl timeout" | |
630 | }, | |
a94f83d9 RJ |
631 | { |
632 | .name = CURL_BLOCK_OPT_COOKIE, | |
633 | .type = QEMU_OPT_STRING, | |
634 | .help = "Pass the cookie or list of cookies with each request" | |
635 | }, | |
327c8ebd PK |
636 | { |
637 | .name = CURL_BLOCK_OPT_COOKIE_SECRET, | |
638 | .type = QEMU_OPT_STRING, | |
639 | .help = "ID of secret used as cookie passed with each request" | |
640 | }, | |
1bff9606 DB |
641 | { |
642 | .name = CURL_BLOCK_OPT_USERNAME, | |
643 | .type = QEMU_OPT_STRING, | |
644 | .help = "Username for HTTP auth" | |
645 | }, | |
646 | { | |
647 | .name = CURL_BLOCK_OPT_PASSWORD_SECRET, | |
648 | .type = QEMU_OPT_STRING, | |
649 | .help = "ID of secret used as password for HTTP auth", | |
650 | }, | |
651 | { | |
652 | .name = CURL_BLOCK_OPT_PROXY_USERNAME, | |
653 | .type = QEMU_OPT_STRING, | |
654 | .help = "Username for HTTP proxy auth" | |
655 | }, | |
656 | { | |
657 | .name = CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET, | |
658 | .type = QEMU_OPT_STRING, | |
659 | .help = "ID of secret used as password for HTTP proxy auth", | |
660 | }, | |
8e6d58cd KW |
661 | { /* end of list */ } |
662 | }, | |
663 | }; | |
664 | ||
1bff9606 | 665 | |
015a1036 HR |
666 | static int curl_open(BlockDriverState *bs, QDict *options, int flags, |
667 | Error **errp) | |
8e6d58cd KW |
668 | { |
669 | BDRVCURLState *s = bs->opaque; | |
670 | CURLState *state = NULL; | |
671 | QemuOpts *opts; | |
672 | Error *local_err = NULL; | |
673 | const char *file; | |
a94f83d9 | 674 | const char *cookie; |
327c8ebd | 675 | const char *cookie_secret; |
8e6d58cd | 676 | double d; |
1bff9606 | 677 | const char *secretid; |
34634ca2 | 678 | const char *protocol_delimiter; |
2d25964d | 679 | int ret; |
8e6d58cd | 680 | |
6ceef36a KW |
681 | ret = bdrv_apply_auto_read_only(bs, "curl driver does not support writes", |
682 | errp); | |
683 | if (ret < 0) { | |
684 | return ret; | |
a7cea2ba RJ |
685 | } |
686 | ||
2d25964d JC |
687 | if (!libcurl_initialized) { |
688 | ret = curl_global_init(CURL_GLOBAL_ALL); | |
689 | if (ret) { | |
690 | error_setg(errp, "libcurl initialization failed with %d", ret); | |
691 | return -EIO; | |
692 | } | |
693 | libcurl_initialized = true; | |
694 | } | |
695 | ||
456af346 | 696 | qemu_mutex_init(&s->mutex); |
87ea75d5 | 697 | opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort); |
8e6d58cd | 698 | qemu_opts_absorb_qdict(opts, options, &local_err); |
84d18f06 | 699 | if (local_err) { |
2a94fee3 | 700 | error_propagate(errp, local_err); |
8e6d58cd KW |
701 | goto out_noclean; |
702 | } | |
703 | ||
e3542c67 | 704 | s->readahead_size = qemu_opt_get_size(opts, CURL_BLOCK_OPT_READAHEAD, |
712b64e8 | 705 | CURL_BLOCK_OPT_READAHEAD_DEFAULT); |
c76f4952 | 706 | if ((s->readahead_size & 0x1ff) != 0) { |
2a94fee3 PB |
707 | error_setg(errp, "HTTP_READAHEAD_SIZE %zd is not a multiple of 512", |
708 | s->readahead_size); | |
c76f4952 N |
709 | goto out_noclean; |
710 | } | |
711 | ||
212aefaa | 712 | s->timeout = qemu_opt_get_number(opts, CURL_BLOCK_OPT_TIMEOUT, |
712b64e8 | 713 | CURL_BLOCK_OPT_TIMEOUT_DEFAULT); |
f76faeda RJ |
714 | if (s->timeout > CURL_TIMEOUT_MAX) { |
715 | error_setg(errp, "timeout parameter is too large or negative"); | |
716 | goto out_noclean; | |
717 | } | |
212aefaa | 718 | |
712b64e8 HR |
719 | s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, |
720 | CURL_BLOCK_OPT_SSLVERIFY_DEFAULT); | |
97a3ea57 | 721 | |
a94f83d9 | 722 | cookie = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE); |
327c8ebd PK |
723 | cookie_secret = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE_SECRET); |
724 | ||
725 | if (cookie && cookie_secret) { | |
726 | error_setg(errp, | |
727 | "curl driver cannot handle both cookie and cookie secret"); | |
728 | goto out_noclean; | |
729 | } | |
730 | ||
731 | if (cookie_secret) { | |
732 | s->cookie = qcrypto_secret_lookup_as_utf8(cookie_secret, errp); | |
733 | if (!s->cookie) { | |
734 | goto out_noclean; | |
735 | } | |
736 | } else { | |
737 | s->cookie = g_strdup(cookie); | |
738 | } | |
a94f83d9 | 739 | |
e3542c67 | 740 | file = qemu_opt_get(opts, CURL_BLOCK_OPT_URL); |
8e6d58cd | 741 | if (file == NULL) { |
2a94fee3 | 742 | error_setg(errp, "curl block driver requires an 'url' option"); |
8e6d58cd KW |
743 | goto out_noclean; |
744 | } | |
745 | ||
34634ca2 HR |
746 | if (!strstart(file, bs->drv->protocol_name, &protocol_delimiter) || |
747 | !strstart(protocol_delimiter, "://", NULL)) | |
748 | { | |
749 | error_setg(errp, "%s curl driver cannot handle the URL '%s' (does not " | |
750 | "start with '%s://')", bs->drv->protocol_name, file, | |
751 | bs->drv->protocol_name); | |
752 | goto out_noclean; | |
753 | } | |
754 | ||
1bff9606 DB |
755 | s->username = g_strdup(qemu_opt_get(opts, CURL_BLOCK_OPT_USERNAME)); |
756 | secretid = qemu_opt_get(opts, CURL_BLOCK_OPT_PASSWORD_SECRET); | |
757 | ||
758 | if (secretid) { | |
759 | s->password = qcrypto_secret_lookup_as_utf8(secretid, errp); | |
760 | if (!s->password) { | |
761 | goto out_noclean; | |
762 | } | |
763 | } | |
764 | ||
765 | s->proxyusername = g_strdup( | |
766 | qemu_opt_get(opts, CURL_BLOCK_OPT_PROXY_USERNAME)); | |
767 | secretid = qemu_opt_get(opts, CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET); | |
768 | if (secretid) { | |
769 | s->proxypassword = qcrypto_secret_lookup_as_utf8(secretid, errp); | |
770 | if (!s->proxypassword) { | |
771 | goto out_noclean; | |
772 | } | |
773 | } | |
774 | ||
ed2a66de | 775 | trace_curl_open(file); |
709f2132 | 776 | qemu_co_queue_init(&s->free_state_waitq); |
63f0f45f | 777 | s->aio_context = bdrv_get_aio_context(bs); |
8e6d58cd | 778 | s->url = g_strdup(file); |
456af346 | 779 | qemu_mutex_lock(&s->mutex); |
3ce6a729 | 780 | state = curl_find_state(s); |
456af346 | 781 | qemu_mutex_unlock(&s->mutex); |
3ce6a729 | 782 | if (!state) { |
769ce76d | 783 | goto out_noclean; |
3ce6a729 | 784 | } |
769ce76d AG |
785 | |
786 | // Get file size | |
787 | ||
3ce6a729 PB |
788 | if (curl_init_state(s, state) < 0) { |
789 | goto out; | |
790 | } | |
791 | ||
3494d650 | 792 | s->accept_range = false; |
769ce76d | 793 | curl_easy_setopt(state->curl, CURLOPT_NOBODY, 1); |
3494d650 FZ |
794 | curl_easy_setopt(state->curl, CURLOPT_HEADERFUNCTION, |
795 | curl_header_cb); | |
796 | curl_easy_setopt(state->curl, CURLOPT_HEADERDATA, s); | |
769ce76d AG |
797 | if (curl_easy_perform(state->curl)) |
798 | goto out; | |
a41c4578 | 799 | if (curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d)) { |
769ce76d | 800 | goto out; |
a41c4578 TG |
801 | } |
802 | /* Prior CURL 7.19.4 return value of 0 could mean that the file size is not | |
803 | * know or the size is zero. From 7.19.4 CURL returns -1 if size is not | |
50d6a8a3 | 804 | * known and zero if it is really zero-length file. */ |
a41c4578 TG |
805 | #if LIBCURL_VERSION_NUM >= 0x071304 |
806 | if (d < 0) { | |
807 | pstrcpy(state->errmsg, CURL_ERROR_SIZE, | |
808 | "Server didn't report file size."); | |
809 | goto out; | |
810 | } | |
811 | #else | |
812 | if (d <= 0) { | |
813 | pstrcpy(state->errmsg, CURL_ERROR_SIZE, | |
814 | "Unknown file size or zero-length file."); | |
815 | goto out; | |
816 | } | |
817 | #endif | |
818 | ||
2125e5ea | 819 | s->len = d; |
a41c4578 | 820 | |
3494d650 FZ |
821 | if ((!strncasecmp(s->url, "http://", strlen("http://")) |
822 | || !strncasecmp(s->url, "https://", strlen("https://"))) | |
823 | && !s->accept_range) { | |
824 | pstrcpy(state->errmsg, CURL_ERROR_SIZE, | |
825 | "Server does not support 'range' (byte ranges)."); | |
826 | goto out; | |
827 | } | |
ed2a66de | 828 | trace_curl_open_size(s->len); |
769ce76d | 829 | |
456af346 | 830 | qemu_mutex_lock(&s->mutex); |
769ce76d | 831 | curl_clean_state(state); |
456af346 | 832 | qemu_mutex_unlock(&s->mutex); |
769ce76d AG |
833 | curl_easy_cleanup(state->curl); |
834 | state->curl = NULL; | |
835 | ||
63f0f45f | 836 | curl_attach_aio_context(bs, bdrv_get_aio_context(bs)); |
769ce76d | 837 | |
8e6d58cd | 838 | qemu_opts_del(opts); |
769ce76d AG |
839 | return 0; |
840 | ||
841 | out: | |
acd7fdc6 | 842 | error_setg(errp, "CURL: Error opening file: %s", state->errmsg); |
769ce76d AG |
843 | curl_easy_cleanup(state->curl); |
844 | state->curl = NULL; | |
845 | out_noclean: | |
456af346 | 846 | qemu_mutex_destroy(&s->mutex); |
a94f83d9 | 847 | g_free(s->cookie); |
8e6d58cd | 848 | g_free(s->url); |
996922de JC |
849 | g_free(s->username); |
850 | g_free(s->proxyusername); | |
851 | g_free(s->proxypassword); | |
8e6d58cd | 852 | qemu_opts_del(opts); |
769ce76d AG |
853 | return -EINVAL; |
854 | } | |
855 | ||
28256d82 | 856 | static void curl_setup_preadv(BlockDriverState *bs, CURLAIOCB *acb) |
769ce76d | 857 | { |
769ce76d | 858 | CURLState *state; |
b69cdef8 | 859 | int running; |
769ce76d | 860 | |
1919631e | 861 | BDRVCURLState *s = bs->opaque; |
769ce76d | 862 | |
2125e5ea PB |
863 | uint64_t start = acb->offset; |
864 | uint64_t end; | |
769ce76d | 865 | |
ba3186c4 | 866 | qemu_mutex_lock(&s->mutex); |
1919631e | 867 | |
769ce76d AG |
868 | // In case we have the requested data already (e.g. read-ahead), |
869 | // we can just call the callback and be done. | |
28256d82 PB |
870 | if (curl_find_buf(s, start, acb->bytes, acb)) { |
871 | goto out; | |
769ce76d AG |
872 | } |
873 | ||
874 | // No cache found, so let's start a new request | |
3ce6a729 PB |
875 | for (;;) { |
876 | state = curl_find_state(s); | |
877 | if (state) { | |
878 | break; | |
879 | } | |
709f2132 | 880 | qemu_co_queue_wait(&s->free_state_waitq, &s->mutex); |
3ce6a729 PB |
881 | } |
882 | ||
883 | if (curl_init_state(s, state) < 0) { | |
884 | curl_clean_state(state); | |
28256d82 | 885 | acb->ret = -EIO; |
1919631e | 886 | goto out; |
363c3c85 | 887 | } |
769ce76d AG |
888 | |
889 | acb->start = 0; | |
2125e5ea | 890 | acb->end = MIN(acb->bytes, s->len - start); |
769ce76d AG |
891 | |
892 | state->buf_off = 0; | |
f7047c2d | 893 | g_free(state->orig_buf); |
769ce76d | 894 | state->buf_start = start; |
4e504535 HR |
895 | state->buf_len = MIN(acb->end + s->readahead_size, s->len - start); |
896 | end = start + state->buf_len - 1; | |
8dc7a772 KW |
897 | state->orig_buf = g_try_malloc(state->buf_len); |
898 | if (state->buf_len && state->orig_buf == NULL) { | |
899 | curl_clean_state(state); | |
28256d82 | 900 | acb->ret = -ENOMEM; |
1919631e | 901 | goto out; |
8dc7a772 | 902 | } |
769ce76d AG |
903 | state->acb[0] = acb; |
904 | ||
2125e5ea | 905 | snprintf(state->range, 127, "%" PRIu64 "-%" PRIu64, start, end); |
ed2a66de | 906 | trace_curl_setup_preadv(acb->bytes, start, state->range); |
769ce76d AG |
907 | curl_easy_setopt(state->curl, CURLOPT_RANGE, state->range); |
908 | ||
909 | curl_multi_add_handle(s->multi, state->curl); | |
769ce76d | 910 | |
b69cdef8 MB |
911 | /* Tell curl it needs to kick things off */ |
912 | curl_multi_socket_action(s->multi, CURL_SOCKET_TIMEOUT, 0, &running); | |
1919631e PB |
913 | |
914 | out: | |
ba3186c4 | 915 | qemu_mutex_unlock(&s->mutex); |
363c3c85 NT |
916 | } |
917 | ||
28256d82 PB |
918 | static int coroutine_fn curl_co_preadv(BlockDriverState *bs, |
919 | uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags) | |
363c3c85 | 920 | { |
28256d82 PB |
921 | CURLAIOCB acb = { |
922 | .co = qemu_coroutine_self(), | |
923 | .ret = -EINPROGRESS, | |
924 | .qiov = qiov, | |
925 | .offset = offset, | |
926 | .bytes = bytes | |
927 | }; | |
928 | ||
929 | curl_setup_preadv(bs, &acb); | |
930 | while (acb.ret == -EINPROGRESS) { | |
931 | qemu_coroutine_yield(); | |
932 | } | |
933 | return acb.ret; | |
769ce76d AG |
934 | } |
935 | ||
769ce76d AG |
936 | static void curl_close(BlockDriverState *bs) |
937 | { | |
938 | BDRVCURLState *s = bs->opaque; | |
769ce76d | 939 | |
ed2a66de | 940 | trace_curl_close(); |
63f0f45f | 941 | curl_detach_aio_context(bs); |
ba3186c4 | 942 | qemu_mutex_destroy(&s->mutex); |
031fd1be | 943 | |
a94f83d9 | 944 | g_free(s->cookie); |
45724d6d | 945 | g_free(s->url); |
996922de JC |
946 | g_free(s->username); |
947 | g_free(s->proxyusername); | |
948 | g_free(s->proxypassword); | |
769ce76d AG |
949 | } |
950 | ||
951 | static int64_t curl_getlength(BlockDriverState *bs) | |
952 | { | |
953 | BDRVCURLState *s = bs->opaque; | |
954 | return s->len; | |
955 | } | |
956 | ||
937c007b HR |
957 | static void curl_refresh_filename(BlockDriverState *bs) |
958 | { | |
959 | BDRVCURLState *s = bs->opaque; | |
960 | ||
961 | /* "readahead" and "timeout" do not change the guest-visible data, | |
962 | * so ignore them */ | |
963 | if (s->sslverify != CURL_BLOCK_OPT_SSLVERIFY_DEFAULT || | |
964 | s->cookie || s->username || s->password || s->proxyusername || | |
965 | s->proxypassword) | |
966 | { | |
967 | return; | |
968 | } | |
969 | ||
970 | pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), s->url); | |
971 | } | |
972 | ||
973 | ||
2654267c HR |
974 | static const char *const curl_strong_runtime_opts[] = { |
975 | CURL_BLOCK_OPT_URL, | |
976 | CURL_BLOCK_OPT_SSLVERIFY, | |
977 | CURL_BLOCK_OPT_COOKIE, | |
978 | CURL_BLOCK_OPT_COOKIE_SECRET, | |
979 | CURL_BLOCK_OPT_USERNAME, | |
980 | CURL_BLOCK_OPT_PASSWORD_SECRET, | |
981 | CURL_BLOCK_OPT_PROXY_USERNAME, | |
982 | CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET, | |
983 | ||
984 | NULL | |
985 | }; | |
986 | ||
769ce76d | 987 | static BlockDriver bdrv_http = { |
63f0f45f SH |
988 | .format_name = "http", |
989 | .protocol_name = "http", | |
990 | ||
991 | .instance_size = sizeof(BDRVCURLState), | |
992 | .bdrv_parse_filename = curl_parse_filename, | |
993 | .bdrv_file_open = curl_open, | |
994 | .bdrv_close = curl_close, | |
995 | .bdrv_getlength = curl_getlength, | |
769ce76d | 996 | |
28256d82 | 997 | .bdrv_co_preadv = curl_co_preadv, |
769ce76d | 998 | |
63f0f45f SH |
999 | .bdrv_detach_aio_context = curl_detach_aio_context, |
1000 | .bdrv_attach_aio_context = curl_attach_aio_context, | |
2654267c | 1001 | |
937c007b | 1002 | .bdrv_refresh_filename = curl_refresh_filename, |
2654267c | 1003 | .strong_runtime_opts = curl_strong_runtime_opts, |
769ce76d AG |
1004 | }; |
1005 | ||
1006 | static BlockDriver bdrv_https = { | |
63f0f45f SH |
1007 | .format_name = "https", |
1008 | .protocol_name = "https", | |
769ce76d | 1009 | |
63f0f45f SH |
1010 | .instance_size = sizeof(BDRVCURLState), |
1011 | .bdrv_parse_filename = curl_parse_filename, | |
1012 | .bdrv_file_open = curl_open, | |
1013 | .bdrv_close = curl_close, | |
1014 | .bdrv_getlength = curl_getlength, | |
769ce76d | 1015 | |
28256d82 | 1016 | .bdrv_co_preadv = curl_co_preadv, |
63f0f45f SH |
1017 | |
1018 | .bdrv_detach_aio_context = curl_detach_aio_context, | |
1019 | .bdrv_attach_aio_context = curl_attach_aio_context, | |
2654267c | 1020 | |
937c007b | 1021 | .bdrv_refresh_filename = curl_refresh_filename, |
2654267c | 1022 | .strong_runtime_opts = curl_strong_runtime_opts, |
769ce76d AG |
1023 | }; |
1024 | ||
1025 | static BlockDriver bdrv_ftp = { | |
63f0f45f SH |
1026 | .format_name = "ftp", |
1027 | .protocol_name = "ftp", | |
1028 | ||
1029 | .instance_size = sizeof(BDRVCURLState), | |
1030 | .bdrv_parse_filename = curl_parse_filename, | |
1031 | .bdrv_file_open = curl_open, | |
1032 | .bdrv_close = curl_close, | |
1033 | .bdrv_getlength = curl_getlength, | |
769ce76d | 1034 | |
28256d82 | 1035 | .bdrv_co_preadv = curl_co_preadv, |
769ce76d | 1036 | |
63f0f45f SH |
1037 | .bdrv_detach_aio_context = curl_detach_aio_context, |
1038 | .bdrv_attach_aio_context = curl_attach_aio_context, | |
2654267c | 1039 | |
937c007b | 1040 | .bdrv_refresh_filename = curl_refresh_filename, |
2654267c | 1041 | .strong_runtime_opts = curl_strong_runtime_opts, |
769ce76d AG |
1042 | }; |
1043 | ||
1044 | static BlockDriver bdrv_ftps = { | |
63f0f45f SH |
1045 | .format_name = "ftps", |
1046 | .protocol_name = "ftps", | |
769ce76d | 1047 | |
63f0f45f SH |
1048 | .instance_size = sizeof(BDRVCURLState), |
1049 | .bdrv_parse_filename = curl_parse_filename, | |
1050 | .bdrv_file_open = curl_open, | |
1051 | .bdrv_close = curl_close, | |
1052 | .bdrv_getlength = curl_getlength, | |
769ce76d | 1053 | |
28256d82 | 1054 | .bdrv_co_preadv = curl_co_preadv, |
63f0f45f SH |
1055 | |
1056 | .bdrv_detach_aio_context = curl_detach_aio_context, | |
1057 | .bdrv_attach_aio_context = curl_attach_aio_context, | |
2654267c | 1058 | |
937c007b | 1059 | .bdrv_refresh_filename = curl_refresh_filename, |
2654267c | 1060 | .strong_runtime_opts = curl_strong_runtime_opts, |
769ce76d AG |
1061 | }; |
1062 | ||
769ce76d AG |
1063 | static void curl_block_init(void) |
1064 | { | |
1065 | bdrv_register(&bdrv_http); | |
1066 | bdrv_register(&bdrv_https); | |
1067 | bdrv_register(&bdrv_ftp); | |
1068 | bdrv_register(&bdrv_ftps); | |
769ce76d AG |
1069 | } |
1070 | ||
1071 | block_init(curl_block_init); |